52 lines
1.5 KiB
YAML
52 lines
1.5 KiB
YAML
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groups:
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- name: ptp
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rules:
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- alert: PTPExporterDown
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expr: up{job=~"ptp-linux|ptp-nexus"} == 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: "PTP exporter is unreachable on {{ $labels.instance }}"
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- alert: LinuxPTPScrapeFailed
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expr: ptp_exporter_scrape_success{stage!="ok"} == 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: "linuxptp PMC scrape failed on {{ $labels.instance }}"
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- alert: PTPGrandmasterMissing
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expr: ptp_gm_present == 0
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for: 30s
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labels:
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severity: critical
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annotations:
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summary: "PTP grandmaster is not present on {{ $labels.instance }}"
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- alert: NexusPTPUnlocked
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expr: ptp_nexus_clock_locked == 0
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for: 30s
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labels:
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severity: critical
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annotations:
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summary: "Nexus PTP clock is not locked"
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# Start conservatively and tighten this after observing normal behavior.
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- alert: PTPMasterOffsetHigh
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expr: abs(ptp_master_offset_nanoseconds) > 1000
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "PTP offset exceeds 1 us on {{ $labels.instance }}"
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- alert: NexusPTPMasterOffsetHigh
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expr: abs(ptp_nexus_offset_from_master_nanoseconds) > 1000
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "Nexus PTP offset exceeds 1 us"
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